/*
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import ts from "typescript";
import { getNodeList } from "../utils/index.js";

/**
 * @param {Object} sourceFile 使用typescript解析成的AST数据
 * @returns {number[]} 返回的异常行数
 *
 */
export const NoSensitiveDataInLocalSessionStorage = (sourceFile) => {
  const result = [];
  const keywords = ["token", "password"];

  const report = (node) => {
    const { line } = sourceFile.getLineAndCharacterOfPosition(node.getStart());
    const nodeList = getNodeList(node);
    result.push({
      line,
      nodeList,
    });
  };

  const delintNode = (node) => {
    if (node.kind === ts.SyntaxKind.CallExpression) {
      if (
        node?.expression?.kind === ts.SyntaxKind.PropertyAccessExpression &&
        ["localStorage", "sessionStorage"].includes(
          node?.expression?.expression?.escapedText
        ) &&
        node?.expression?.name?.escapedText === "setItem"
      ) {
        if (
          node?.arguments?.length > 0 &&
          node.arguments[0].kind === ts.SyntaxKind.StringLiteral
        ) {
          const index = keywords.findIndex((x) =>
            node.arguments[0].text.includes(x)
          );
          if (index > -1) {
            report(node);
          }
        }
      }
    }
    ts.forEachChild(node, delintNode);
  };

  delintNode(sourceFile);
  return result;
};
